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PRO2 reader ro Cumulus don't match

Discussion specific to Davis weather stations
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aznetcowboy
Posts: 361
Joined: Fri 04 Jan 2013 6:03 pm
Weather Station: Davis 6153 Vantage Pro2
Operating System: Windows 10 Home 64-bit
Location: West Bend, WI USA
Contact:

PRO2 reader ro Cumulus don't match

Post by aznetcowboy »

I have been have an issue lately with disparities in my rainfall readings between what the reading on the Vantage Pro2 unit says and what the Cumulus records. Last night for example the Pro2 unit recorded .34" of rain, which is what my CoCoRahs tube also recorded. However, the reading from Cumulus shows .62". Sometimes the disparity is greater. What would be causing this to happen? This has only been happening for the past several months.
Tom Wills
Ridge Run Weather Station: http://www.ridgerun.us
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yv1hx
Posts: 223
Joined: Mon 05 Apr 2010 10:40 pm
Weather Station: No station yet ...
Operating System: Win XP Professional
Location: Some point in the Earth

Re: PRO2 reader ro Cumulus don't match

Post by yv1hx »

aznetcowboy wrote: Wed 13 Sep 2023 3:23 pm I have been have an issue lately with disparities in my rainfall readings between what the reading on the Vantage Pro2 unit says and what the Cumulus records. Last night for example the Pro2 unit recorded .34" of rain, which is what my CoCoRahs tube also recorded. However, the reading from Cumulus shows .62". Sometimes the disparity is greater. What would be causing this to happen? This has only been happening for the past several months.
Have you performed some maintenance at your rain funnel lately?

Dirt, spiders and ants can likes to nest inside the instrument..

BR,
Marco
Marco
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PaulMy
Posts: 3852
Joined: Sun 28 Sep 2008 11:54 pm
Weather Station: Davis VP2 Plus 24-Hour FARS
Operating System: Windows8 and Windows10
Location: Komoka, ON Canada
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Re: PRO2 reader ro Cumulus don't match

Post by PaulMy »

Hi,
Probably will need a bit of investigation...

Your website indicates you are using Cumulus1 b1096 (June 2014). There were some updates to that to the final CU1 b1099 later that year and can't recall if there was any rain count issue with either. My Cumulus1 b1099 has and continues to show correct rain in comparing to Davis devices - VP2 console, Envoy, Vue console, and WLL. In most cases that is the same as my two CoCoRaHS gauges but sometimes the Davis devices reads a few fractions higher than CoCoRaHS. My CumulusMX which also get the VP2 data from the Vue console and WLL shows the same rain as my CU1.

Your may want to check your Diags files and check the rain logging and see if you can detect any issue during the times you say there is a discrepancy. I just checked my CU1 Diags files and it logs like:

Code: Select all

12/09/2023 00:00:00.145 : Midnight rain reset, count = 771.40 time = 12/09/2023
12/09/2023 00:00:00.145 : === Day reset, today = 12
12/09/2023 00:00:00.145 : === Day reset for 11/09/2023
12/09/2023 00:00:00.145 : NOAA reports will be uploaded at next web update
12/09/2023 00:00:00.145 : Writing entry to dayfile.txt:
12/09/2023 00:00:00.145 : 11/09/23,19.3,317,15:08,13.3,07:16,24.7,15:39,1014.40,23:56,1018.26,10:32,0.0,00:00,0.0,18.8,19.6,6.4,11:31,45,13:43,81,07:57,3.02,6.8,24.7,15:39,25.1,13:53,13.2,07:16,0.0,00:00,13.3,07:16,10.1,20:22,5.5,07:15,351,1.2,1.7,981,13:11,5.8,13:11
12/09/2023 00:00:00.194 : Raintotal = 771.400024414063 Raindaystart = 771.400024414063
12/09/2023 00:00:00.194 : Rainyesterday (calibrated) set to 0
12/09/2023 00:00:00.194 : RainDayThreshold = -1
12/09/2023 00:00:00.194 : rdt1000=200 ry1000=0
12/09/2023 00:00:00.194 : Yesterday was a dry day
12/09/2023 00:00:00.194 : Consecutive dry days = 4
12/09/2023 00:00:00.194 : Raindaystart set to 771.400024414063
12/09/2023 00:00:00.197 : StartofdayET set to 704.570617675781
12/09/2023 00:00:00.672 : Writing today.ini, LastUpdateTime = 11/09/2023 11:50:00 PM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:00:00.672 : Write yesterday file: Date = 12/09/2023
12/09/2023 00:00:01.010 : Creating NOAA monthly report for month 09 year 2023
12/09/2023 00:00:01.156 : Saving monthly report as C:\added_programs\Cumulus\Reports\NOAAMO0923.txt
12/09/2023 00:00:01.166 : Creating NOAA yearly report for year 2023
12/09/2023 00:00:02.241 : Saving yearly report as C:\added_programs\Cumulus\Reports\NOAAYR2023.txt
12/09/2023 00:00:02.250 : === Day reset complete
12/09/2023 00:00:02.250 : Now recording data for day=12 month=9 year=2023
12/09/2023 00:00:02.250 : Reset sunshine hours, yesterday = 6.8
12/09/2023 00:00:02.250 : Write yesterday file: Date = 12/09/2023
12/09/2023 00:00:02.526 : Writing today.ini, LastUpdateTime = 12/09/2023 12:00:02 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:00:02.594 : Creating backup folder C:\added_programs\Cumulus\backup\daily\20230912000002\
12/09/2023 00:00:06.659 : Uploading NOAA reports
12/09/2023 00:10:00.250 : Writing today.ini, LastUpdateTime = 12/09/2023 12:10:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:20:00.963 : Writing today.ini, LastUpdateTime = 12/09/2023 12:20:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:30:01.097 : Writing today.ini, LastUpdateTime = 12/09/2023 12:30:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:40:00.986 : Writing today.ini, LastUpdateTime = 12/09/2023 12:40:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 00:50:01.085 : Writing today.ini, LastUpdateTime = 12/09/2023 12:50:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:00:00.409 : Writing today.ini, LastUpdateTime = 12/09/2023 1:00:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:10:00.409 : Writing today.ini, LastUpdateTime = 12/09/2023 1:10:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:20:00.555 : Writing today.ini, LastUpdateTime = 12/09/2023 1:20:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:30:00.859 : Writing today.ini, LastUpdateTime = 12/09/2023 1:30:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:40:00.864 : Writing today.ini, LastUpdateTime = 12/09/2023 1:40:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 01:50:00.347 : Writing today.ini, LastUpdateTime = 12/09/2023 1:50:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:00:00.403 : Writing today.ini, LastUpdateTime = 12/09/2023 2:00:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:10:00.448 : Writing today.ini, LastUpdateTime = 12/09/2023 2:10:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:20:00.425 : Writing today.ini, LastUpdateTime = 12/09/2023 2:20:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:30:00.428 : Writing today.ini, LastUpdateTime = 12/09/2023 2:30:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:40:00.658 : Writing today.ini, LastUpdateTime = 12/09/2023 2:40:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 02:50:00.572 : Writing today.ini, LastUpdateTime = 12/09/2023 2:50:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:00:01.470 : Writing today.ini, LastUpdateTime = 12/09/2023 3:00:01 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:10:00.236 : Writing today.ini, LastUpdateTime = 12/09/2023 3:10:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:20:00.801 : Writing today.ini, LastUpdateTime = 12/09/2023 3:20:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:30:00.229 : Writing today.ini, LastUpdateTime = 12/09/2023 3:30:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:40:00.252 : Writing today.ini, LastUpdateTime = 12/09/2023 3:40:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 03:50:00.372 : Writing today.ini, LastUpdateTime = 12/09/2023 3:50:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 04:00:00.622 : Writing today.ini, LastUpdateTime = 12/09/2023 4:00:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 04:00:01.984 : VP2: Setting station clock
12/09/2023 04:00:01.984 : y=2023 m=9 d=12 h=4 m=0
12/09/2023 04:00:04.878 : VP2: SetStationTime_V res = 0
12/09/2023 04:10:00.434 : Writing today.ini, LastUpdateTime = 12/09/2023 4:10:00 AM raindaystart = 771.400024414063 rain counter = 771.400024414063
12/09/2023 04:20:00.859 : Writing today.ini, LastUpdateTime = 12/09/2023 4:20:00 AM raindaystart = 771.400024414063 rain counter = 771.599975585938
12/09/2023 04:30:00.695 : Writing today.ini, LastUpdateTime = 12/09/2023 4:30:00 AM raindaystart = 771.400024414063 rain counter = 771.599975585938
12/09/2023 04:40:00.831 : Writing today.ini, LastUpdateTime = 12/09/2023 4:40:00 AM raindaystart = 771.400024414063 rain counter = 771.799987792969
12/09/2023 04:50:00.406 : Writing today.ini, LastUpdateTime = 12/09/2023 4:50:00 AM raindaystart = 771.400024414063 rain counter = 772
12/09/2023 05:00:00.385 : Writing today.ini, LastUpdateTime = 12/09/2023 5:00:00 AM raindaystart = 771.400024414063 rain counter = 772.400024414063
12/09/2023 05:10:00.758 : Writing today.ini, LastUpdateTime = 12/09/2023 5:10:00 AM raindaystart = 771.400024414063 rain counter = 772.799987792969
12/09/2023 05:20:00.776 : Writing today.ini, LastUpdateTime = 12/09/2023 5:20:00 AM raindaystart = 771.400024414063 rain counter = 773
12/09/2023 05:30:00.722 : Writing today.ini, LastUpdateTime = 12/09/2023 5:30:00 AM raindaystart = 771.400024414063 rain counter = 773.200012207031
12/09/2023 05:40:00.863 : Writing today.ini, LastUpdateTime = 12/09/2023 5:40:00 AM raindaystart = 771.400024414063 rain counter = 773.400024414063
12/09/2023 05:50:00.917 : Writing today.ini, LastUpdateTime = 12/09/2023 5:50:00 AM raindaystart = 771.400024414063 rain counter = 773.799987792969
12/09/2023 06:00:00.978 : Writing today.ini, LastUpdateTime = 12/09/2023 6:00:00 AM raindaystart = 771.400024414063 rain counter = 774.200012207031
12/09/2023 06:10:00.501 : Writing today.ini, LastUpdateTime = 12/09/2023 6:10:00 AM raindaystart = 771.400024414063 rain counter = 775.400024414063
12/09/2023 06:20:00.951 : Writing today.ini, LastUpdateTime = 12/09/2023 6:20:00 AM raindaystart = 771.400024414063 rain counter = 776.200012207031
12/09/2023 06:30:00.718 : Writing today.ini, LastUpdateTime = 12/09/2023 6:30:00 AM raindaystart = 771.400024414063 rain counter = 776.400024414063
12/09/2023 06:40:00.703 : Writing today.ini, LastUpdateTime = 12/09/2023 6:40:00 AM raindaystart = 771.400024414063 rain counter = 776.400024414063
12/09/2023 06:50:00.596 : Writing today.ini, LastUpdateTime = 12/09/2023 6:50:00 AM raindaystart = 771.400024414063 rain counter = 776.599975585938
12/09/2023 07:00:00.930 : Writing today.ini, LastUpdateTime = 12/09/2023 7:00:00 AM raindaystart = 771.400024414063 rain counter = 776.599975585938
12/09/2023 07:10:00.918 : Writing today.ini, LastUpdateTime = 12/09/2023 7:10:00 AM raindaystart = 771.400024414063 rain counter = 776.599975585938
12/09/2023 07:20:00.710 : Writing today.ini, LastUpdateTime = 12/09/2023 7:20:00 AM raindaystart = 771.400024414063 rain counter = 776.799987792969
12/09/2023 07:30:01.025 : Writing today.ini, LastUpdateTime = 12/09/2023 7:30:00 AM raindaystart = 771.400024414063 rain counter = 776.799987792969
12/09/2023 07:40:01.107 : Writing today.ini, LastUpdateTime = 12/09/2023 7:40:00 AM raindaystart = 771.400024414063 rain counter = 776.799987792969
12/09/2023 07:50:00.642 : Writing today.ini, LastUpdateTime = 12/09/2023 7:50:00 AM raindaystart = 771.400024414063 rain counter = 776.799987792969
12/09/2023 08:00:00.776 : Writing today.ini, LastUpdateTime = 12/09/2023 8:00:00 AM raindaystart = 771.400024414063 rain counter = 777
12/09/2023 08:10:00.962 : Writing today.ini, LastUpdateTime = 12/09/2023 8:10:00 AM raindaystart = 771.400024414063 rain counter = 777
12/09/2023 08:20:00.853 : Writing today.ini, LastUpdateTime = 12/09/2023 8:20:00 AM raindaystart = 771.400024414063 rain counter = 777
12/09/2023 08:30:01.016 : Writing today.ini, LastUpdateTime = 12/09/2023 8:30:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 08:40:01.071 : Writing today.ini, LastUpdateTime = 12/09/2023 8:40:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 08:50:01.082 : Writing today.ini, LastUpdateTime = 12/09/2023 8:50:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:00:01.203 : Writing today.ini, LastUpdateTime = 12/09/2023 9:00:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:10:00.311 : Writing today.ini, LastUpdateTime = 12/09/2023 9:10:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:20:01.047 : Writing today.ini, LastUpdateTime = 12/09/2023 9:20:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:30:00.955 : Writing today.ini, LastUpdateTime = 12/09/2023 9:30:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:40:00.653 : Writing today.ini, LastUpdateTime = 12/09/2023 9:40:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 09:50:00.906 : Writing today.ini, LastUpdateTime = 12/09/2023 9:50:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:00:01.252 : Writing today.ini, LastUpdateTime = 12/09/2023 10:00:01 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:10:01.070 : Writing today.ini, LastUpdateTime = 12/09/2023 10:10:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:20:01.173 : Writing today.ini, LastUpdateTime = 12/09/2023 10:20:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:30:00.943 : Writing today.ini, LastUpdateTime = 12/09/2023 10:30:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:40:00.321 : Writing today.ini, LastUpdateTime = 12/09/2023 10:40:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 10:50:00.934 : Writing today.ini, LastUpdateTime = 12/09/2023 10:50:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:00:01.030 : Writing today.ini, LastUpdateTime = 12/09/2023 11:00:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:10:01.040 : Writing today.ini, LastUpdateTime = 12/09/2023 11:10:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:20:01.183 : Writing today.ini, LastUpdateTime = 12/09/2023 11:20:01 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:30:00.323 : Writing today.ini, LastUpdateTime = 12/09/2023 11:30:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:40:00.378 : Writing today.ini, LastUpdateTime = 12/09/2023 11:40:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 11:50:00.590 : Writing today.ini, LastUpdateTime = 12/09/2023 11:50:00 AM raindaystart = 771.400024414063 rain counter = 777.200012207031
12/09/2023 12:00:00.604 : Writing today.ini, LastUpdateTime = 12/09/2023 12:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 12:10:00.429 : Writing today.ini, LastUpdateTime = 12/09/2023 12:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 12:20:01.152 : Writing today.ini, LastUpdateTime = 12/09/2023 12:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 12:30:01.132 : Writing today.ini, LastUpdateTime = 12/09/2023 12:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 12:40:00.556 : Writing today.ini, LastUpdateTime = 12/09/2023 12:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 12:50:00.336 : Writing today.ini, LastUpdateTime = 12/09/2023 12:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:00:00.463 : Writing today.ini, LastUpdateTime = 12/09/2023 1:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:10:00.603 : Writing today.ini, LastUpdateTime = 12/09/2023 1:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:20:00.510 : Writing today.ini, LastUpdateTime = 12/09/2023 1:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:30:00.457 : Writing today.ini, LastUpdateTime = 12/09/2023 1:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:40:00.620 : Writing today.ini, LastUpdateTime = 12/09/2023 1:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 13:50:00.356 : Writing today.ini, LastUpdateTime = 12/09/2023 1:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:00:00.517 : Writing today.ini, LastUpdateTime = 12/09/2023 2:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:10:00.610 : Writing today.ini, LastUpdateTime = 12/09/2023 2:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:20:00.458 : Writing today.ini, LastUpdateTime = 12/09/2023 2:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:30:00.579 : Writing today.ini, LastUpdateTime = 12/09/2023 2:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:40:00.634 : Writing today.ini, LastUpdateTime = 12/09/2023 2:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 14:50:00.628 : Writing today.ini, LastUpdateTime = 12/09/2023 2:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:00:00.761 : Writing today.ini, LastUpdateTime = 12/09/2023 3:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:10:00.620 : Writing today.ini, LastUpdateTime = 12/09/2023 3:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:20:00.552 : Writing today.ini, LastUpdateTime = 12/09/2023 3:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:30:00.546 : Writing today.ini, LastUpdateTime = 12/09/2023 3:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:40:01.009 : Writing today.ini, LastUpdateTime = 12/09/2023 3:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 15:50:00.492 : Writing today.ini, LastUpdateTime = 12/09/2023 3:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:00:00.699 : Writing today.ini, LastUpdateTime = 12/09/2023 4:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:10:00.682 : Writing today.ini, LastUpdateTime = 12/09/2023 4:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:20:00.775 : Writing today.ini, LastUpdateTime = 12/09/2023 4:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:30:00.793 : Writing today.ini, LastUpdateTime = 12/09/2023 4:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:40:00.961 : Writing today.ini, LastUpdateTime = 12/09/2023 4:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 16:50:00.657 : Writing today.ini, LastUpdateTime = 12/09/2023 4:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:00:00.674 : Writing today.ini, LastUpdateTime = 12/09/2023 5:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:10:00.943 : Writing today.ini, LastUpdateTime = 12/09/2023 5:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:20:00.777 : Writing today.ini, LastUpdateTime = 12/09/2023 5:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:30:00.718 : Writing today.ini, LastUpdateTime = 12/09/2023 5:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:40:00.837 : Writing today.ini, LastUpdateTime = 12/09/2023 5:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 17:50:00.958 : Writing today.ini, LastUpdateTime = 12/09/2023 5:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:00:01.002 : Writing today.ini, LastUpdateTime = 12/09/2023 6:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:10:01.210 : Writing today.ini, LastUpdateTime = 12/09/2023 6:10:01 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:20:00.735 : Writing today.ini, LastUpdateTime = 12/09/2023 6:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:30:00.665 : Writing today.ini, LastUpdateTime = 12/09/2023 6:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:40:00.825 : Writing today.ini, LastUpdateTime = 12/09/2023 6:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 18:50:00.910 : Writing today.ini, LastUpdateTime = 12/09/2023 6:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:00:00.903 : Writing today.ini, LastUpdateTime = 12/09/2023 7:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:10:01.070 : Writing today.ini, LastUpdateTime = 12/09/2023 7:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:20:01.054 : Writing today.ini, LastUpdateTime = 12/09/2023 7:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:30:01.117 : Writing today.ini, LastUpdateTime = 12/09/2023 7:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:40:01.052 : Writing today.ini, LastUpdateTime = 12/09/2023 7:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 19:50:00.853 : Writing today.ini, LastUpdateTime = 12/09/2023 7:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:00:00.894 : Writing today.ini, LastUpdateTime = 12/09/2023 8:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:10:00.835 : Writing today.ini, LastUpdateTime = 12/09/2023 8:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:20:00.750 : Writing today.ini, LastUpdateTime = 12/09/2023 8:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:30:00.288 : Writing today.ini, LastUpdateTime = 12/09/2023 8:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:40:00.243 : Writing today.ini, LastUpdateTime = 12/09/2023 8:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 20:50:00.288 : Writing today.ini, LastUpdateTime = 12/09/2023 8:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:00:00.485 : Writing today.ini, LastUpdateTime = 12/09/2023 9:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:10:00.327 : Writing today.ini, LastUpdateTime = 12/09/2023 9:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:20:01.024 : Writing today.ini, LastUpdateTime = 12/09/2023 9:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:30:01.028 : Writing today.ini, LastUpdateTime = 12/09/2023 9:30:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:40:00.248 : Writing today.ini, LastUpdateTime = 12/09/2023 9:40:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 21:50:01.069 : Writing today.ini, LastUpdateTime = 12/09/2023 9:50:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 22:00:00.441 : Writing today.ini, LastUpdateTime = 12/09/2023 10:00:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 22:10:00.248 : Writing today.ini, LastUpdateTime = 12/09/2023 10:10:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 22:20:00.295 : Writing today.ini, LastUpdateTime = 12/09/2023 10:20:00 PM raindaystart = 771.400024414063 rain counter = 777.400024414063
12/09/2023 22:30:00.333 : Writing today.ini, LastUpdateTime = 12/09/2023 10:30:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 22:40:00.338 : Writing today.ini, LastUpdateTime = 12/09/2023 10:40:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 22:50:01.145 : Writing today.ini, LastUpdateTime = 12/09/2023 10:50:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:00:00.343 : Writing today.ini, LastUpdateTime = 12/09/2023 11:00:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:10:00.293 : Writing today.ini, LastUpdateTime = 12/09/2023 11:10:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:20:00.270 : Writing today.ini, LastUpdateTime = 12/09/2023 11:20:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:30:00.317 : Writing today.ini, LastUpdateTime = 12/09/2023 11:30:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:40:00.351 : Writing today.ini, LastUpdateTime = 12/09/2023 11:40:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
12/09/2023 23:50:00.248 : Writing today.ini, LastUpdateTime = 12/09/2023 11:50:00 PM raindaystart = 771.400024414063 rain counter = 777.599975585938
13/09/2023 00:00:00.186 : Midnight rain reset, count = 777.60 time = 13/09/2023
13/09/2023 00:00:00.186 : === Day reset, today = 13
13/09/2023 00:00:00.186 : === Day reset for 12/09/2023
I know there was some light rain around 10:20 pm last night, as I was in it, and that above log shows that change in the rain counter at the time (22:20 to 22:30) from 777.400 to 777.599 mm being 0.2 mm and that matches the CoCoRaHS.

You may want to do a similar review and see what is logged when your discrepancy occurs and if there is a pattern.

Enjoy,
Paul
VP2+
C1 www.komokaweather.com/komokaweather-ca
MX https://komokaweather.com/cumulusmx/index.htm /index.html /index.php
MX https://komokaweather.com/cumulusmxwll/index.htm /index.html /index.php
MX https:// komokaweather.com/cumulusmx4/index.htm
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